Current measuring apparatus

Boots – shoes – and leggings

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Details

324127, 34087017, 364492, G06F 1556, G01R 1900

Patent

active

048477800

ABSTRACT:
Apparatus is disclosed for monitoring an A.C. distribution line comprising a novel split transformer core which may be inserted remotely about a distribution feeder line without de-energizing of that line, an encoder for producing a train of voltage signals whose duration are characteristic of the magnitude of the A.C. current flowing through the line and for producing a train of light pulses from the voltage levels which characterize the magnitude of the A.C. current flowing through the line, a decoder which is opticlaly linked to the encoder for measuring the time intervals of the light pulses and for converting the time intervals into a numerical value representing the current flowing through the line.

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patent: 4728887 (1988-03-01), Davis

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